Teething ring



FIG. 1 is a top plan view of a teething ring showing my new design, the bottom plan view being substantially identical thereof;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof; and,

FIG. 5 is a right side elevation view thereof. 

CLAIM The ornamental design for a teething ring, as shown and described. 